21091493462928

Names of 21091493462928

• Cardinal: 21091493462928 can be written as Twenty-one trillion, ninety-one billion, four hundred ninety-three million, four hundred sixty-two thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1091493462928 × 10¹³

Factors of 21091493462928

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 19898

Divisors of 21091493462928

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 29 38 42 48 56 57 58 76 84 87 112 114 116 133 152 168 174 203 228 232 266 304 307 336 348 361 399 406 456 464 532 551 609 614 696 722 798 812 912 921 1064 1083 1102 1218 1228 1392 1444 1596 1624 1653 1842 2128 2149 2166 2204 2436 2456 2527 2888 3192 3248 3306 3684 3857 4298 4332 4408 4872 4912 5054 5776 5833 6384 6447 6612 7368 7581 7714 8596 8664 8816 8903 9744 10108 10469 11571 11666 12894 13224 14736 15162 15428 17192 17328 17499 17806 19531 20216 20938 23142 23332 25788 26448 26709 30324 30856 31407 34384 34998 35612 39062 40432 40831 41876 46284 46664 51576 53418 58593 60648 61712 62321 62814 69996 71224 73283 78124 81662 83752 92568 93328 103152 106836 110827 117186 121296 122493 124642 125628 136717 139992 142448 146566 156248 163324 167504 169157 185136 186963 213672 219849 221654 234372 244986 249284 251256 273434 279984 293132 312496 326648 332481 338314 371089 373926 410151 427344 439698 443308 468744 489972 498568 502512 507471 546868 566399 586264 653296 664962 676628 742178 747852 775789 820302 879396 886616 937488 979944 997136 1014942 1093736 1113267 1132798 1172528 1184099 1329924 1353256 1484356 1495704 1551578 1640604 1699197 1758792 1773232 1959888 2029884 2187472 2226534 2265596 2327367 2368198 2597623 2659848 2706512 2968712 2991408 3103156 3213983 3281208 3398394 3517584 3552297 3964793 4059768 4453068 4531192 4654734 4736396 5195246 5319696 5937424 5996017 6206312 6427966 6562416 6796788 7050691 7104594 7792869 7929586 8119536 8906136 9062384 9309468 9472792 9641949 10390492 10761581 11894379 11992034 12412624 12855932 13593576 14101382 14209188 15585738 15859172 17812272 17988051 18618936 18945584 19283898 20780984 21152073 21523162 22497881 23788758 23984068 25711864 27187152 28202764 28418376 31171476 31718344 32284743 35976102 37237872 38567796 41561968 41972119 42304146 43046324 44995762 47577516 47968136 49354837 51423728 56405528 56836752 62342952 63436688 64569486 67493643 71952204 75331067 77135592 83944238 84608292 86092648 89991524 95155032 95936272 98709674 112811056 113924323 124685904 125916357 129138972 134987286 143904408 148064511 150662134 154271184 167888476 169216584 172185296 173884493 179983048 190310064 197419348 204470039 225993201 227848646 251832714 258277944 269974572 287808816 296129022 301324268 335776952 338433168 341772969 347768986 359966096 394838696 408940078 451986402 455697292 503665428 516555888 521653479 539949144 592258044 602648536 613410117 671553904 683545938 695537972 789677392 797470261 817880156 903972804 911394584 1007330856 1043306958 1079898288 1184516088 1205297072 1217191451 1226820234 1367091876 1391075944 1431290273 1594940522 1635760312 1807945608 1822789168 2014661712 2086613916 2164562137 2369032176 2392410783 2434382902 2453640468 2734183752 2782151888 2862580546 3189881044 3271520624 3303805367 3615891216 3651574353 4173227832 4293870819 4329124274 4784821566 4868765804 4907280936 5468367504 5725161092 6379762088 6493686411 6607610734 7303148706 8346455664 8587741638 8658248548 9569643132 9737531608 9814561872 9911416101 11450322184 12759524176 12987372822 13215221468 14606297412 15151934959 17175483276 17316497096 19139286264 19475063216 19822832202 22900644368 23126637569 25974745644 26430442936 29212594824 30303869918 34350966552 34632994192 38278572528 39645664404 45455804877 46253275138 51949491288 52860885872 58425189648 60607739836 62772301973 68701933104 69379912707 79291328808 90911609754 92506550276 103898982576 121215479672 125544603946 138759825414 158582657616 181823219508 185013100552 188316905919 242430959344 251089207892 277519650828 363646439016 370026201104 376633811838 439406113811 502178415784 555039301656 727292878032 753267623676 878812227622 1004356831568 1110078603312 1318218341433 1506535247352 1757624455244 2636436682866 3013070494704 3515248910488 5272873365732 7030497820976 10545746731464 21091493462928
• Sum of all divisors σ(n): 68211144207360
• Sum of proper divisors (its aliquot sum) s(n): 47119650744432
• 21091493462928 is an abundant number, because the sum of its proper divisors (47119650744432) is greater than itself. Its abundance is 26028157281504

Bases of 21091493462928

• Binary: 100110010111010111110111110011100001110010000₂
• Hexadecimal: 0x132EBEF9C390
• Base-36: 7H5AQN3IO

Squares and roots of 21091493462928

• 21091493462928 squared (21091493462928²) is 444851096496734557310333184
• 21091493462928 cubed (21091493462928³) is 9382573993737229837409326324561632202752
• The square root of 21091493462928 is 4592547.6005075875
• The cube root of 21091493462928 is 27629.2509420125

Scales and comparisons

• 21,091,493,462,928 seconds is equal to 670,644 years, 13 weeks, 16 hours, 8 minutes, 48 seconds.
• To count from 1 to 21,091,493,462,928 would take you about one million, six hundred seventy-six thousand, six hundred ten years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21091493462928 cubic inches would be around 2302.4 feet tall.

Recreational maths with 21091493462928

• 21091493462928 backwards is 82926439419012
• The number of decimal digits it has is: 14
• The sum of 21091493462928's digits is 60
• More coming soon!